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1. An electrical signal containing timing (synchronization), luminance (intensity), and often chrominance (color) information that, when displayed on an appropriate device, gives a visual image or representation of the original image sequences. 2. Pertaining to the sections of a television system that carry television signals, either in unmodulated or modulated form. (188) 3. Pertaining to the demodulated radar signal that is applied to a radar display device. (188) 4. Pertaining to the bandwidth or data rate necessary for the transmission of real-time television pictures. [After FAA] Note: In practice, the baseband bandwidth required for the transmission of NTSC television pictures (not including the audio carriers) is approximately 5 MHz.